Science

On Monday, astronauts aboard the International Space Station will harvest lettuce that has been growing aboard since early July. NASA claims it's an important step towards future exploration of distant worlds.

The physician and pharmacologist worked at the government agency in the early 1960s, when she uncovered a link between the drug and severe birth defects.

Sexting can be risky for teens, research suggests, but is it bad for consenting adults? Researchers are starting to think the behavior may have its perks — both in and out of bed.

Also this week, an in-depth look at Darren Wilson — the Ferguson, Mo., police officer who fatally shot Michael Brown.

We're not talking steroids here; we're talking about the stuff you can buy at the supermarket. They're not dangerous in themselves. But overuse can signal emotional or physical problems.

Google Vice President Vint Cerf says that our complete reliance on digital information that is often not preserved could result in an information "black hole" for future historians.

A psychologist says there could be a simple way to make calorie-packed foods like french fries or ice cream seem unappealing, even a bit disgusting. Others are less sure.

What's the secret to long-lasting milk? A complex system of refrigeration called the cold chain. But in some parts of developing countries, the chain doesn't exist, leaving a lot of milk to spoil.